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FR738520A - Nose mask or respirator - Google Patents

Nose mask or respirator

Info

Publication number
FR738520A
FR738520A FR738520DA FR738520A FR 738520 A FR738520 A FR 738520A FR 738520D A FR738520D A FR 738520DA FR 738520 A FR738520 A FR 738520A
Authority
FR
France
Prior art keywords
respirator
nose mask
nose
mask
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Daniel Hern Roche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR738520A publication Critical patent/FR738520A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/06—Nose filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR738520D 1932-06-11 1932-06-11 Nose mask or respirator Expired FR738520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR738520T 1932-06-11

Publications (1)

Publication Number Publication Date
FR738520A true FR738520A (en) 1932-12-27

Family

ID=9132312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738520D Expired FR738520A (en) 1932-06-11 1932-06-11 Nose mask or respirator

Country Status (1)

Country Link
FR (1) FR738520A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3109699A1 (en) 2020-05-03 2021-11-05 Philippe Biesse Half face mask with shell and sandwich filter layers.
FR3115441A1 (en) 2020-10-24 2022-04-29 Philippe Biesse Anti-leak nasal veil for mask.
EP4132663A4 (en) * 2020-04-08 2024-05-29 Lin, Carol Chia Yuan Nasal mask and associated filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4132663A4 (en) * 2020-04-08 2024-05-29 Lin, Carol Chia Yuan Nasal mask and associated filter
US12208292B2 (en) 2020-04-08 2025-01-28 Carol Chia Yuan Lin Nasal mask and associated filter
FR3109699A1 (en) 2020-05-03 2021-11-05 Philippe Biesse Half face mask with shell and sandwich filter layers.
FR3115441A1 (en) 2020-10-24 2022-04-29 Philippe Biesse Anti-leak nasal veil for mask.

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